Coincidence Imaging and interference with coherent Gaussian beams |
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Authors: | Cai Yang-jian and Zhu Shi-yao |
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Institution: | (1) Department of Physics, Hong Kong Baptist University, Hong Kong, China;(2) Institute of Optics, Department of Physics, ZheJiang University, Hangzhou, 310027, China |
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Abstract: | we present a theoretical study of coincidence imaging and interference with coherent Gaussian beams. The equations for the
coincidence image formation and interference fringes are derived, from which it is clear that the imaging is due to the corresponding
focusing in the two paths. The quality and visibility of the images and fringes can be high simultaneously. The nature of
the coincidence imaging and interference between quantum entangled photon pairs and coherent Gaussian beams are different.
The coincidence image with coherent Gaussian beams is due to intensity-intensity correspondence, a classical nature, while
that with entangled photon pairs is due to the amplitude correlation a quantum nature.
Selected from Acta Sinica Quantum Optica, 2005, 11(4)(in Chinese) |
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Keywords: | coincidence imaging and interference coherent Gaussian beam optics |
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